| Ribociclib Impurity 48 is chemically Di-tert-butyl 2,2′-((((6-((7-cyclopentyl-6-(dimethylcarbamoyl)-7H-pyrrolo[2,3-d]pyrimidin-2-yl)amino)pyridine-2,4-diyl)bis(azanediyl))bis(pyridine-6,3-diyl))bis(piperazine-4,1-diyl))bis(2-oxoacetate). Ribociclib Impurity 48 is supplied with detailed characterization data compliant with regulatory guideline. Ribociclib Impurity 48 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Ribociclib. The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ChemWhat products are for analytical purpose only and not for human use. |